Our 100% see through acrylic window bird feeder is one of the best on the market! Our 3mm acrylic and suction cups are powerful and made to withstand outside weather conditions. Enjoy bird watching from the comfort of your home. Great for kids, pets, classrooms and bird watchers. Our window bird feeder is a perfect gift and comes in our colorful "Flock To Me" box. We truly care about our customers and this is why we offer a lifetime replacement guarantee.